Too bad there is not a software On/Off switch for the extra hard drive. Opening up the case is not that easy the way I have the case installed. Guess I will just have to remember to Unmount the drive when it is not needed. Dick > > Rich, > > I think if the drive is plugged in, it runs whether or not it is unmounted. > Unmounting may save wear and tear on the heads, but not on the bearings. Why > don't you simply open the case and unplug the power supply? (It's the smaller > of the two connections.) You can reconnect it when you need it. > > Nate